Seiko Cal. 6658 - 111

The Seiko 6658-111 represents an important milestone in Seiko's 1973 lineup. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-b8ef23dbc107]

Also known as: Bellmatic, World Timer

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Cream

Jewels

33j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1973

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